Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Elizabeth Jane Quill, LCSW

Individual provider Clinical Social Worker · NPI 1205021599

Elizabeth Jane Quill, LCSW is a Clinical Social Worker in Ontario, California. Licensed in California and New Mexico. Registered with an NPI since 2007.

Licensed in
CA, NM
In the registry since
2007
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

3200 E Guasti Rd Ste 100
Ontario, CA 91761-8661
Phone: (909) 366-4712
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 95291 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence SWB-2023-0209 (NM)

Record details

NPI number1205021599
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 10, 2007
Last updated in NPPESMarch 25, 2025
Certification dateMarch 25, 2025

Other providers in Ontario